const books = [
    {
        id: 1,
        name: '计算机网络',
        data: '2001-1',
        price: 82.02,
        count:1
    },
    {
        id: 2,
        name: '数据库',
        data: '2002-3',
        price: 90.11,
        count:1
    },
    {
        id: 3,
        name: '计算机组成原理',
        data: '2004-5',
        price: 64.04,
        count:1
    },
    {
        id: 4,
        name: '数据结构',
        data: '2020-4',
        price: 78.34,
        count:1
    }
]